From: boxman@voyager.net   
      
   On 1/10/2017 8:36 AM, Anton Shepelev wrote:   
   > Hello, all   
   >   
   > Is there a symbolic method to calculate the intensi-   
   > ty distribution on a flat screen from a  flat  wave-   
   > front  after it reflected from a curved mirror whose   
   > surface is described by an equation?   
      
   You may want to check out this article and the references listed in the   
   article. If anyone has a mathematical formulation for the problem,   
   Vladimir Oliker (author of the article) has probably found it.   
      
   http://spie.org/newsroom/5600-controlling-light-with-freeform-op   
   ics?ArticleID=x110544   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)